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Best Guest VM Filesystem for NTFS Host (infosec.pub)
submitted 2 years ago by to c/selfhosted@lemmy.world
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I am setting up a Linux server (probably will be NixOS) where my VM disk files will be stored on top of an NTFS partition. (Yes I know NTFS sucks but it has to be this way.)

I am asking which guest filesystem will have the best performance for a very mixed workload. If I had access to the extra features of BTRFS or ZFS I would use them but I have no idea how CoW interacts with NTFS; that is why I am asking here.

Also I would like some NTFS performance tuning pointers.

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[–] 1 point 2 years ago (1 child)

Within guests these days I just use XFS, UFS, or NTFS depending on the os. The hypervisor can have zfs or ceph.

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  • [–] 1 point 2 years ago (1 child)

    Ufs seems weird to use outside of flash

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  • [–] 1 point 2 years ago (1 child)

    It seems that way but it performs better than zfs on top of zfs. The only os I ran into that with was opnsense when I was playing with a virtualized firewall.

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  • [–] 1 point 2 years ago* (1 child)

    Don't do ZFS on ZFS. It will destroy performance.

    I personally go for EXT4 as is solid and light weight. It is also somewhat resistant to power loss

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